go.tools/dashboard/app: update bad builder list
go.tools/dashboard/app: update bad builder list

LGTM=r
R=r, minux.ma
CC=golang-codereviews
https://codereview.appspot.com/57580043

karmakaze/go.tools,lattera/go.tools,chenjianlong/go.tools,chenjianlong/go.tools,lattera/go.tools,karmakaze/go.tools,chenjianlong/go.tools,karmakaze/go.tools,karmakaze/go.tools,karmakaze/go.tools,lattera/go.tools